clang  7.0.0svn
PlistDiagnostics.cpp
Go to the documentation of this file.
1 //===--- PlistDiagnostics.cpp - Plist Diagnostics for Paths -----*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines the PlistDiagnostics object.
11 //
12 //===----------------------------------------------------------------------===//
13 
17 #include "clang/Basic/Version.h"
18 #include "clang/Lex/Preprocessor.h"
24 #include "llvm/ADT/Statistic.h"
25 #include "llvm/ADT/SmallVector.h"
26 #include "llvm/Support/Casting.h"
27 using namespace clang;
28 using namespace ento;
29 using namespace markup;
30 
31 namespace {
32  class PlistDiagnostics : public PathDiagnosticConsumer {
33  const std::string OutputFile;
34  const LangOptions &LangOpts;
35  const bool SupportsCrossFileDiagnostics;
36  const bool SerializeStatistics;
37  public:
38  PlistDiagnostics(AnalyzerOptions &AnalyzerOpts,
39  const std::string& prefix,
40  const LangOptions &LangOpts,
41  bool supportsMultipleFiles);
42 
43  ~PlistDiagnostics() override {}
44 
45  void FlushDiagnosticsImpl(std::vector<const PathDiagnostic *> &Diags,
46  FilesMade *filesMade) override;
47 
48  StringRef getName() const override {
49  return "PlistDiagnostics";
50  }
51 
52  PathGenerationScheme getGenerationScheme() const override {
53  return Extensive;
54  }
55  bool supportsLogicalOpControlFlow() const override { return true; }
56  bool supportsCrossFileDiagnostics() const override {
57  return SupportsCrossFileDiagnostics;
58  }
59  };
60 } // end anonymous namespace
61 
62 PlistDiagnostics::PlistDiagnostics(AnalyzerOptions &AnalyzerOpts,
63  const std::string& output,
64  const LangOptions &LO,
65  bool supportsMultipleFiles)
66  : OutputFile(output),
67  LangOpts(LO),
68  SupportsCrossFileDiagnostics(supportsMultipleFiles),
69  SerializeStatistics(AnalyzerOpts.shouldSerializeStats()) {}
70 
71 void ento::createPlistDiagnosticConsumer(AnalyzerOptions &AnalyzerOpts,
73  const std::string& s,
74  const Preprocessor &PP) {
75  C.push_back(new PlistDiagnostics(AnalyzerOpts, s,
76  PP.getLangOpts(), false));
77 }
78 
79 void ento::createPlistMultiFileDiagnosticConsumer(AnalyzerOptions &AnalyzerOpts,
81  const std::string &s,
82  const Preprocessor &PP) {
83  C.push_back(new PlistDiagnostics(AnalyzerOpts, s,
84  PP.getLangOpts(), true));
85 }
86 
87 static void EmitRanges(raw_ostream &o,
88  const ArrayRef<SourceRange> Ranges,
89  const FIDMap& FM,
90  const SourceManager &SM,
91  const LangOptions &LangOpts,
92  unsigned indent) {
93 
94  if (Ranges.empty())
95  return;
96 
97  Indent(o, indent) << "<key>ranges</key>\n";
98  Indent(o, indent) << "<array>\n";
99  ++indent;
100  for (auto &R : Ranges)
101  EmitRange(o, SM,
102  Lexer::getAsCharRange(SM.getExpansionRange(R), SM, LangOpts),
103  FM, indent + 1);
104  --indent;
105  Indent(o, indent) << "</array>\n";
106 }
107 
108 static void EmitMessage(raw_ostream &o, StringRef Message, unsigned indent) {
109  // Output the text.
110  assert(!Message.empty());
111  Indent(o, indent) << "<key>extended_message</key>\n";
112  Indent(o, indent);
113  EmitString(o, Message) << '\n';
114 
115  // Output the short text.
116  // FIXME: Really use a short string.
117  Indent(o, indent) << "<key>message</key>\n";
118  Indent(o, indent);
119  EmitString(o, Message) << '\n';
120 }
121 
122 static void ReportControlFlow(raw_ostream &o,
124  const FIDMap& FM,
125  const SourceManager &SM,
126  const LangOptions &LangOpts,
127  unsigned indent) {
128 
129  Indent(o, indent) << "<dict>\n";
130  ++indent;
131 
132  Indent(o, indent) << "<key>kind</key><string>control</string>\n";
133 
134  // Emit edges.
135  Indent(o, indent) << "<key>edges</key>\n";
136  ++indent;
137  Indent(o, indent) << "<array>\n";
138  ++indent;
140  I!=E; ++I) {
141  Indent(o, indent) << "<dict>\n";
142  ++indent;
143 
144  // Make the ranges of the start and end point self-consistent with adjacent edges
145  // by forcing to use only the beginning of the range. This simplifies the layout
146  // logic for clients.
147  Indent(o, indent) << "<key>start</key>\n";
148  SourceRange StartEdge(
149  SM.getExpansionLoc(I->getStart().asRange().getBegin()));
150  EmitRange(o, SM, Lexer::getAsCharRange(StartEdge, SM, LangOpts), FM,
151  indent + 1);
152 
153  Indent(o, indent) << "<key>end</key>\n";
154  SourceRange EndEdge(SM.getExpansionLoc(I->getEnd().asRange().getBegin()));
155  EmitRange(o, SM, Lexer::getAsCharRange(EndEdge, SM, LangOpts), FM,
156  indent + 1);
157 
158  --indent;
159  Indent(o, indent) << "</dict>\n";
160  }
161  --indent;
162  Indent(o, indent) << "</array>\n";
163  --indent;
164 
165  // Output any helper text.
166  const auto &s = P.getString();
167  if (!s.empty()) {
168  Indent(o, indent) << "<key>alternate</key>";
169  EmitString(o, s) << '\n';
170  }
171 
172  --indent;
173  Indent(o, indent) << "</dict>\n";
174 }
175 
176 static void ReportEvent(raw_ostream &o, const PathDiagnosticEventPiece& P,
177  const FIDMap& FM,
178  const SourceManager &SM,
179  const LangOptions &LangOpts,
180  unsigned indent,
181  unsigned depth,
182  bool isKeyEvent = false) {
183 
184  Indent(o, indent) << "<dict>\n";
185  ++indent;
186 
187  Indent(o, indent) << "<key>kind</key><string>event</string>\n";
188 
189  if (isKeyEvent) {
190  Indent(o, indent) << "<key>key_event</key><true/>\n";
191  }
192 
193  // Output the location.
195 
196  Indent(o, indent) << "<key>location</key>\n";
197  EmitLocation(o, SM, L, FM, indent);
198 
199  // Output the ranges (if any).
200  ArrayRef<SourceRange> Ranges = P.getRanges();
201  EmitRanges(o, Ranges, FM, SM, LangOpts, indent);
202 
203  // Output the call depth.
204  Indent(o, indent) << "<key>depth</key>";
205  EmitInteger(o, depth) << '\n';
206 
207  // Output the text.
208  EmitMessage(o, P.getString(), indent);
209 
210  // Finish up.
211  --indent;
212  Indent(o, indent); o << "</dict>\n";
213 }
214 
215 static void ReportPiece(raw_ostream &o,
216  const PathDiagnosticPiece &P,
217  const FIDMap& FM, const SourceManager &SM,
218  const LangOptions &LangOpts,
219  unsigned indent,
220  unsigned depth,
221  bool includeControlFlow,
222  bool isKeyEvent = false);
223 
224 static void ReportCall(raw_ostream &o,
225  const PathDiagnosticCallPiece &P,
226  const FIDMap& FM, const SourceManager &SM,
227  const LangOptions &LangOpts,
228  unsigned indent,
229  unsigned depth) {
230 
231  if (auto callEnter = P.getCallEnterEvent())
232  ReportPiece(o, *callEnter, FM, SM, LangOpts, indent, depth, true,
234 
235 
236  ++depth;
237 
238  if (auto callEnterWithinCaller = P.getCallEnterWithinCallerEvent())
239  ReportPiece(o, *callEnterWithinCaller, FM, SM, LangOpts,
240  indent, depth, true);
241 
242  for (PathPieces::const_iterator I = P.path.begin(), E = P.path.end();I!=E;++I)
243  ReportPiece(o, **I, FM, SM, LangOpts, indent, depth, true);
244 
245  --depth;
246 
247  if (auto callExit = P.getCallExitEvent())
248  ReportPiece(o, *callExit, FM, SM, LangOpts, indent, depth, true);
249 }
250 
251 static void ReportMacro(raw_ostream &o,
252  const PathDiagnosticMacroPiece& P,
253  const FIDMap& FM, const SourceManager &SM,
254  const LangOptions &LangOpts,
255  unsigned indent,
256  unsigned depth) {
257 
258  for (PathPieces::const_iterator I = P.subPieces.begin(), E=P.subPieces.end();
259  I!=E; ++I) {
260  ReportPiece(o, **I, FM, SM, LangOpts, indent, depth, false);
261  }
262 }
263 
264 static void ReportNote(raw_ostream &o, const PathDiagnosticNotePiece& P,
265  const FIDMap& FM,
266  const SourceManager &SM,
267  const LangOptions &LangOpts,
268  unsigned indent,
269  unsigned depth) {
270 
271  Indent(o, indent) << "<dict>\n";
272  ++indent;
273 
274  // Output the location.
276 
277  Indent(o, indent) << "<key>location</key>\n";
278  EmitLocation(o, SM, L, FM, indent);
279 
280  // Output the ranges (if any).
281  ArrayRef<SourceRange> Ranges = P.getRanges();
282  EmitRanges(o, Ranges, FM, SM, LangOpts, indent);
283 
284  // Output the text.
285  EmitMessage(o, P.getString(), indent);
286 
287  // Finish up.
288  --indent;
289  Indent(o, indent); o << "</dict>\n";
290 }
291 
292 static void ReportDiag(raw_ostream &o, const PathDiagnosticPiece& P,
293  const FIDMap& FM, const SourceManager &SM,
294  const LangOptions &LangOpts) {
295  ReportPiece(o, P, FM, SM, LangOpts, 4, 0, true);
296 }
297 
298 static void ReportPiece(raw_ostream &o,
299  const PathDiagnosticPiece &P,
300  const FIDMap& FM, const SourceManager &SM,
301  const LangOptions &LangOpts,
302  unsigned indent,
303  unsigned depth,
304  bool includeControlFlow,
305  bool isKeyEvent) {
306  switch (P.getKind()) {
308  if (includeControlFlow)
309  ReportControlFlow(o, cast<PathDiagnosticControlFlowPiece>(P), FM, SM,
310  LangOpts, indent);
311  break;
313  ReportCall(o, cast<PathDiagnosticCallPiece>(P), FM, SM, LangOpts,
314  indent, depth);
315  break;
317  ReportEvent(o, cast<PathDiagnosticEventPiece>(P), FM, SM, LangOpts,
318  indent, depth, isKeyEvent);
319  break;
321  ReportMacro(o, cast<PathDiagnosticMacroPiece>(P), FM, SM, LangOpts,
322  indent, depth);
323  break;
325  ReportNote(o, cast<PathDiagnosticNotePiece>(P), FM, SM, LangOpts,
326  indent, depth);
327  break;
328  }
329 }
330 
331 void PlistDiagnostics::FlushDiagnosticsImpl(
332  std::vector<const PathDiagnostic *> &Diags,
333  FilesMade *filesMade) {
334  // Build up a set of FIDs that we use by scanning the locations and
335  // ranges of the diagnostics.
336  FIDMap FM;
338  const SourceManager* SM = nullptr;
339 
340  if (!Diags.empty())
341  SM = &Diags.front()->path.front()->getLocation().getManager();
342 
343  auto AddPieceFID = [&FM, &Fids, SM](const PathDiagnosticPiece &Piece) {
344  AddFID(FM, Fids, *SM, Piece.getLocation().asLocation());
345  ArrayRef<SourceRange> Ranges = Piece.getRanges();
346  for (const SourceRange &Range : Ranges) {
347  AddFID(FM, Fids, *SM, Range.getBegin());
348  AddFID(FM, Fids, *SM, Range.getEnd());
349  }
350  };
351 
352  for (const PathDiagnostic *D : Diags) {
353 
355  WorkList.push_back(&D->path);
356 
357  while (!WorkList.empty()) {
358  const PathPieces &Path = *WorkList.pop_back_val();
359 
360  for (const auto &Iter : Path) {
361  const PathDiagnosticPiece &Piece = *Iter;
362  AddPieceFID(Piece);
363 
364  if (const PathDiagnosticCallPiece *Call =
365  dyn_cast<PathDiagnosticCallPiece>(&Piece)) {
366  if (auto CallEnterWithin = Call->getCallEnterWithinCallerEvent())
367  AddPieceFID(*CallEnterWithin);
368 
369  if (auto CallEnterEvent = Call->getCallEnterEvent())
370  AddPieceFID(*CallEnterEvent);
371 
372  WorkList.push_back(&Call->path);
373  } else if (const PathDiagnosticMacroPiece *Macro =
374  dyn_cast<PathDiagnosticMacroPiece>(&Piece)) {
375  WorkList.push_back(&Macro->subPieces);
376  }
377  }
378  }
379  }
380 
381  // Open the file.
382  std::error_code EC;
383  llvm::raw_fd_ostream o(OutputFile, EC, llvm::sys::fs::F_Text);
384  if (EC) {
385  llvm::errs() << "warning: could not create file: " << EC.message() << '\n';
386  return;
387  }
388 
389  EmitPlistHeader(o);
390 
391  // Write the root object: a <dict> containing...
392  // - "clang_version", the string representation of clang version
393  // - "files", an <array> mapping from FIDs to file names
394  // - "diagnostics", an <array> containing the path diagnostics
395  o << "<dict>\n" <<
396  " <key>clang_version</key>\n";
397  EmitString(o, getClangFullVersion()) << '\n';
398  o << " <key>files</key>\n"
399  " <array>\n";
400 
401  for (FileID FID : Fids)
402  EmitString(o << " ", SM->getFileEntryForID(FID)->getName()) << '\n';
403 
404  o << " </array>\n"
405  " <key>diagnostics</key>\n"
406  " <array>\n";
407 
408  for (std::vector<const PathDiagnostic*>::iterator DI=Diags.begin(),
409  DE = Diags.end(); DI!=DE; ++DI) {
410 
411  o << " <dict>\n";
412 
413  const PathDiagnostic *D = *DI;
414  const PathPieces &PP = D->path;
415 
416  assert(std::is_partitioned(
417  PP.begin(), PP.end(),
418  [](const std::shared_ptr<PathDiagnosticPiece> &E)
419  { return E->getKind() == PathDiagnosticPiece::Note; }) &&
420  "PathDiagnostic is not partitioned so that notes precede the rest");
421 
422  PathPieces::const_iterator FirstNonNote = std::partition_point(
423  PP.begin(), PP.end(),
424  [](const std::shared_ptr<PathDiagnosticPiece> &E)
425  { return E->getKind() == PathDiagnosticPiece::Note; });
426 
427  PathPieces::const_iterator I = PP.begin();
428 
429  if (FirstNonNote != PP.begin()) {
430  o << " <key>notes</key>\n"
431  " <array>\n";
432 
433  for (; I != FirstNonNote; ++I)
434  ReportDiag(o, **I, FM, *SM, LangOpts);
435 
436  o << " </array>\n";
437  }
438 
439  o << " <key>path</key>\n";
440 
441  o << " <array>\n";
442 
443  for (PathPieces::const_iterator E = PP.end(); I != E; ++I)
444  ReportDiag(o, **I, FM, *SM, LangOpts);
445 
446  o << " </array>\n";
447 
448  // Output the bug type and bug category.
449  o << " <key>description</key>";
450  EmitString(o, D->getShortDescription()) << '\n';
451  o << " <key>category</key>";
452  EmitString(o, D->getCategory()) << '\n';
453  o << " <key>type</key>";
454  EmitString(o, D->getBugType()) << '\n';
455  o << " <key>check_name</key>";
456  EmitString(o, D->getCheckName()) << '\n';
457 
458  o << " <!-- This hash is experimental and going to change! -->\n";
459  o << " <key>issue_hash_content_of_line_in_context</key>";
461  FullSourceLoc L(SM->getExpansionLoc(UPDLoc.isValid()
462  ? UPDLoc.asLocation()
463  : D->getLocation().asLocation()),
464  *SM);
465  const Decl *DeclWithIssue = D->getDeclWithIssue();
466  EmitString(o, GetIssueHash(*SM, L, D->getCheckName(), D->getBugType(),
467  DeclWithIssue, LangOpts))
468  << '\n';
469 
470  // Output information about the semantic context where
471  // the issue occurred.
472  if (const Decl *DeclWithIssue = D->getDeclWithIssue()) {
473  // FIXME: handle blocks, which have no name.
474  if (const NamedDecl *ND = dyn_cast<NamedDecl>(DeclWithIssue)) {
475  StringRef declKind;
476  switch (ND->getKind()) {
477  case Decl::CXXRecord:
478  declKind = "C++ class";
479  break;
480  case Decl::CXXMethod:
481  declKind = "C++ method";
482  break;
483  case Decl::ObjCMethod:
484  declKind = "Objective-C method";
485  break;
486  case Decl::Function:
487  declKind = "function";
488  break;
489  default:
490  break;
491  }
492  if (!declKind.empty()) {
493  const std::string &declName = ND->getDeclName().getAsString();
494  o << " <key>issue_context_kind</key>";
495  EmitString(o, declKind) << '\n';
496  o << " <key>issue_context</key>";
497  EmitString(o, declName) << '\n';
498  }
499 
500  // Output the bug hash for issue unique-ing. Currently, it's just an
501  // offset from the beginning of the function.
502  if (const Stmt *Body = DeclWithIssue->getBody()) {
503 
504  // If the bug uniqueing location exists, use it for the hash.
505  // For example, this ensures that two leaks reported on the same line
506  // will have different issue_hashes and that the hash will identify
507  // the leak location even after code is added between the allocation
508  // site and the end of scope (leak report location).
509  if (UPDLoc.isValid()) {
510  FullSourceLoc UFunL(SM->getExpansionLoc(
511  D->getUniqueingDecl()->getBody()->getLocStart()), *SM);
512  o << " <key>issue_hash_function_offset</key><string>"
514  << "</string>\n";
515 
516  // Otherwise, use the location on which the bug is reported.
517  } else {
518  FullSourceLoc FunL(SM->getExpansionLoc(Body->getLocStart()), *SM);
519  o << " <key>issue_hash_function_offset</key><string>"
521  << "</string>\n";
522  }
523 
524  }
525  }
526  }
527 
528  // Output the location of the bug.
529  o << " <key>location</key>\n";
530  EmitLocation(o, *SM, D->getLocation().asLocation(), FM, 2);
531 
532  // Output the diagnostic to the sub-diagnostic client, if any.
533  if (!filesMade->empty()) {
534  StringRef lastName;
535  PDFileEntry::ConsumerFiles *files = filesMade->getFiles(*D);
536  if (files) {
537  for (PDFileEntry::ConsumerFiles::const_iterator CI = files->begin(),
538  CE = files->end(); CI != CE; ++CI) {
539  StringRef newName = CI->first;
540  if (newName != lastName) {
541  if (!lastName.empty()) {
542  o << " </array>\n";
543  }
544  lastName = newName;
545  o << " <key>" << lastName << "_files</key>\n";
546  o << " <array>\n";
547  }
548  o << " <string>" << CI->second << "</string>\n";
549  }
550  o << " </array>\n";
551  }
552  }
553 
554  // Close up the entry.
555  o << " </dict>\n";
556  }
557 
558  o << " </array>\n";
559 
560  if (llvm::AreStatisticsEnabled() && SerializeStatistics) {
561  o << " <key>statistics</key>\n";
562  std::string stats;
563  llvm::raw_string_ostream os(stats);
564  llvm::PrintStatisticsJSON(os);
565  os.flush();
566  EmitString(o, html::EscapeText(stats)) << '\n';
567  }
568 
569  // Finish.
570  o << "</dict>\n</plist>";
571 }
static void ReportPiece(raw_ostream &o, const PathDiagnosticPiece &P, const FIDMap &FM, const SourceManager &SM, const LangOptions &LangOpts, unsigned indent, unsigned depth, bool includeControlFlow, bool isKeyEvent=false)
void AddFID(FIDMap &FIDs, SmallVectorImpl< FileID > &V, const SourceManager &SM, SourceLocation L)
Definition: PlistSupport.h:28
void EmitLocation(raw_ostream &o, const SourceManager &SM, SourceLocation L, const FIDMap &FM, unsigned indent)
Definition: PlistSupport.h:97
Defines the clang::FileManager interface and associated types.
std::string getClangFullVersion()
Retrieves a string representing the complete clang version, which includes the clang version number...
Definition: Version.cpp:118
virtual Stmt * getBody() const
getBody - If this Decl represents a declaration for a body of code, such as a function or method defi...
Definition: DeclBase.h:984
Stmt - This represents one statement.
Definition: Stmt.h:66
Defines the SourceManager interface.
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:86
StringRef P
std::shared_ptr< PathDiagnosticEventPiece > getCallEnterWithinCallerEvent() const
A Range represents the closed range [from, to].
llvm::SmallString< 32 > GetIssueHash(const SourceManager &SM, FullSourceLoc &IssueLoc, llvm::StringRef CheckerName, llvm::StringRef BugType, const Decl *D, const LangOptions &LangOpts)
Get an MD5 hash to help identify bugs.
constexpr XRayInstrMask Function
Definition: XRayInstr.h:39
static void ReportEvent(raw_ostream &o, const PathDiagnosticEventPiece &P, const FIDMap &FM, const SourceManager &SM, const LangOptions &LangOpts, unsigned indent, unsigned depth, bool isKeyEvent=false)
raw_ostream & EmitInteger(raw_ostream &o, int64_t value)
Definition: PlistSupport.h:61
std::string getName(ArrayRef< StringRef > Parts) const
Get the platform-specific name separator.
PathDiagnosticLocation getLocation() const
PathDiagnostic - PathDiagnostic objects represent a single path-sensitive diagnostic.
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:50
const LangOptions & getLangOpts() const
Definition: Preprocessor.h:815
static void ReportNote(raw_ostream &o, const PathDiagnosticNotePiece &P, const FIDMap &FM, const SourceManager &SM, const LangOptions &LangOpts, unsigned indent, unsigned depth)
SourceLocation getExpansionLoc(SourceLocation Loc) const
Given a SourceLocation object Loc, return the expansion location referenced by the ID...
StringRef getBugType() const
StringRef getCheckName() const
std::vector< PathDiagnosticLocationPair >::const_iterator const_iterator
static void ReportCall(raw_ostream &o, const PathDiagnosticCallPiece &P, const FIDMap &FM, const SourceManager &SM, const LangOptions &LangOpts, unsigned indent, unsigned depth)
const FileEntry * getFileEntryForID(FileID FID) const
Returns the FileEntry record for the provided FileID.
Defines version macros and version-related utility functions for Clang.
Defines the clang::Preprocessor interface.
PathDiagnosticLocation getUniqueingLoc() const
Get the location on which the report should be uniqued.
static void EmitRanges(raw_ostream &o, const ArrayRef< SourceRange > Ranges, const FIDMap &FM, const SourceManager &SM, const LangOptions &LangOpts, unsigned indent)
static void ReportDiag(raw_ostream &o, const PathDiagnosticPiece &P, const FIDMap &FM, const SourceManager &SM, const LangOptions &LangOpts)
StringRef getCategory() const
llvm::DenseMap< FileID, unsigned > FIDMap
Definition: PlistSupport.h:26
std::shared_ptr< PathDiagnosticEventPiece > getCallEnterEvent() const
StringRef getName() const
Definition: FileManager.h:84
std::shared_ptr< PathDiagnosticEventPiece > getCallExitEvent() const
std::vector< PathDiagnosticConsumer * > PathDiagnosticConsumers
void EscapeText(Rewriter &R, FileID FID, bool EscapeSpaces=false, bool ReplaceTabs=false)
EscapeText - HTMLize a specified file so that special characters are are translated so that they are ...
PathDiagnosticLocation getLocation() const override
raw_ostream & EmitPlistHeader(raw_ostream &o)
Definition: PlistSupport.h:52
An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...
ArrayRef< SourceRange > getRanges() const
Return the SourceRanges associated with this PathDiagnosticPiece.
Dataflow Directional Tag Classes.
void EmitRange(raw_ostream &o, const SourceManager &SM, CharSourceRange R, const FIDMap &FM, unsigned indent)
Definition: PlistSupport.h:113
unsigned getExpansionLineNumber(bool *Invalid=nullptr) const
static CharSourceRange getAsCharRange(SourceRange Range, const SourceManager &SM, const LangOptions &LangOpts)
Given a token range, produce a corresponding CharSourceRange that is not a token range.
Definition: Lexer.h:380
CharSourceRange getExpansionRange(SourceLocation Loc) const
Given a SourceLocation object, return the range of tokens covered by the expansion in the ultimate fi...
raw_ostream & EmitString(raw_ostream &o, StringRef s)
Definition: PlistSupport.h:68
static void ReportControlFlow(raw_ostream &o, const PathDiagnosticControlFlowPiece &P, const FIDMap &FM, const SourceManager &SM, const LangOptions &LangOpts, unsigned indent)
static void ReportMacro(raw_ostream &o, const PathDiagnosticMacroPiece &P, const FIDMap &FM, const SourceManager &SM, const LangOptions &LangOpts, unsigned indent, unsigned depth)
static void EmitMessage(raw_ostream &o, StringRef Message, unsigned indent)
A SourceLocation and its associated SourceManager.
const Decl * getUniqueingDecl() const
Get the declaration containing the uniqueing location.
A trivial tuple used to represent a source range.
This represents a decl that may have a name.
Definition: Decl.h:248
SourceLocation getLocStart() const LLVM_READONLY
Definition: Stmt.cpp:278
This class handles loading and caching of source files into memory.
Engages in a tight little dance with the lexer to efficiently preprocess tokens.
Definition: Preprocessor.h:127
StringRef getShortDescription() const
const Decl * getDeclWithIssue() const
Return the semantic context where an issue occurred.